    This ensures the raster is the same projection and that the boundaries
    precisely align to the tile-specs grid values."
   [band]
-  true)
+  (some? band))
 
 (defn scene->bands
   "Create sequence of from ESPA XML metadata."

  "Saves all bands in dir referenced by path."
  ([scene-dir source]
   (let [band-xf   (comp (map +spec)
                         (map +fill)
                         (map +locate)
                         (map (fn [band] (assoc band :source (:id source))))
                         (filter conforms?))]
     (dorun (map #(process-band % source) (scene->bands scene-dir band-xf)))
     :done)))


  [tile]
  (let [data (:data tile)
        fill (:fill tile)]
    (and (some? fill) (some? data) (zero? (.compareTo (.rewind data)
                                                      (.rewind fill))))))

(defn locate-fn
  "Build projection coordinate point calculator for GDAL dataset."
